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【 boric acid chunks|CAS 10043-35-3|Guanlang Group 】



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Boric acid is an inorganic substance with the chemical formula of H₃Bo₃. It is white powder crystal or tridiagonal scale luster crystal or big crystal form. It has a greasy feel and no odor. Soluble in water, alcohol, glycerin, ethers and essential oils, the aqueous solution is weakly acidic. It is widely used in glass (optical glass, acid resistant glass, heat-resistant glass, glass fiber for insulating materials) industry, which can improve the heat resistance and transparency of glass products, improve the mechanical strength and shorten the melting time.


Name: BORIC ACID; Boracic acid; Orthoboric acid
Chemical formula
H3BO3
Molecular weight
61.8
CAS accession number
10043-35-3
EINECS login number
234-343-4
Melting point
171 ℃ (decomposition)
Water solubility
5.6g/100mL
Density
(water = 1): 1.4
External view

Colorless crystal or white powder, odorless



Application

Electronic components industry, high-purity analytical reagents, medical disinfection and antisepsis, photosensitive material processing liquid medicine


Basic information of boric acid

English Name: orthoboric acid
English alias: boric acid; boron; boric acid high purity;
CAS No.: 10043-35-3 / 11113-50-1
EINECS 234-343-4
Molecular formula: H3BO3
Physical parameters of boric acid
Melting point: 169 ℃
Boiling point: 300 ℃
Density: 1.43
Storage and transportation of boric acid

Seal and dry.


Specifications:

(H3BO3)≥

98%

99.5%

99.9%

Color

White

White

White

White

White

Appearance

Granular

Powder

Granular

Powder

Powder

Size

2-4 mm

60-80 mesh

2-4 mm

60-80 mesh

60-80 mesh

B (%) ≥

17±0.1

17±0.1

17.5±0.1

17.5±0.1

17.6±0.1

B2O3 (%) ≥

55.2±0.1

55.2±0.1

56.1±0.1

56.1±0.1

56.3±0.1

SO42- (%) ≤

0.035

0.0005

0.0002

Cl- (%) ≤

0.0018

0.0001

0.0001

Fe (%) ≤

0.0006

0.0002

0.0001

Heavy metals (Pb) % ≤

0.0008

0.0002

0.0001

Water insoluble (%) ≤

0.01

0.005

0.001



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